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Knut Rüffer
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Cisco Certified Network Associate Routing and Switching (CCNA Routing and Switching)
Cisco
CCNA
Cisco
Understanding of Cisco Network Devices
Cisco
Cisco Certified Specialist - Enterprise Core
Cisco
Cisco Certified Network Professional Routing and Switching (CCNP Routing and Switching)
Cisco
Cisco Certified Network Professional Enterprise (CCNP Enterprise)
Cisco
Cisco Certified Specialist - Enterprise Advanced Infrastructure Implementation
Cisco
The Open Group Certified: TOGAF® 9 Certified
The Open Group
Cisco Certified Internetwork Expert Enterprise Infrastructure (CCIE Enterprise Infrastructure)
Cisco
The Open Group Certified: TOGAF® Standard, Version 9.2
The Open Group
Cisco Certified DevNet Associate
Cisco
Cisco Certified Specialist - Data Center Core
Cisco
Cisco Certified Network Professional Data Center (CCNP Data Center)
Cisco
Cisco Customer Success Manager (CSM) certification
Cisco
Cisco Certified Specialist - Data Center Operations
Cisco
Cisco Environmental Sustainability Overview
Cisco
Environmental Sustainability Practice-Building
Cisco
